32040030 has 64 divisors (see below), whose sum is σ = 85017600. Its totient is φ = 7662720.

The previous prime is 32040013. The next prime is 32040049. The reversal of 32040030 is 3004023.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 32039988 and 32040015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25456 + ... + 26684.

It is an arithmetic number, because the mean of its divisors is an integer number (1328400).

Almost surely, 2^32040030 is an apocalyptic number.

32040030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 32040030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42508800).

32040030 is an abundant number, since it is smaller than the sum of its proper divisors (52977570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32040030 is a wasteful number, since it uses less digits than its factorization.

32040030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1329.

The product of its (nonzero) digits is 72, while the sum is 12.

The square root of 32040030 is about 5660.3913292280. The cubic root of 32040030 is about 317.6125378647.

Adding to 32040030 its reverse (3004023), we get a palindrome (35044053).

The spelling of 32040030 in words is "thirty-two million, forty thousand, thirty", and thus it is an eban number.